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Requirements, Development Plans, and Requests

Requirements, Development Plans, and Requests. Geant4 Technical Forum Nov. 8, 2011. Gabriela Hoff, Vagner Ferreira Cassola, Marcia Begalli PUC-RS, UFPE, UERJ Brazil. Simulation in Medical Physics. ● G. Hoff, V. F. Cassola:

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Requirements, Development Plans, and Requests

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  1. Requirements, Development Plans,and Requests Geant4 Technical Forum Nov. 8, 2011 Gabriela Hoff, Vagner Ferreira Cassola, Marcia Begalli PUC-RS, UFPE, UERJ Brazil

  2. Simulation in Medical Physics ● G. Hoff, V. F. Cassola: (Catholic University of Rio Grande do Sul, PUC-RS, Federal University of Pernambuco, UFPE) Validation of low energy libraries from the Geant4 Standard, Livermore, Penelope. The work will go on for 3 - 4 years therefore the physics models in these libraries are not obsolete for us, on the other way round, they are very important to our work. We are working together Dr. Pia and the NANO5 group in order to improve them as well. ● M. Begalli (State University of Rio de Janeiro, UERJ) Brachytherapy, HDR and LDR. Simulation done with all Geant4 packages.

  3. Simulation Requirements • Main simulation requirements for low energy physics in Geant4: • Photon interactions • Electron energy loss and multiple scattering • Atomic de-excitation • PIXE • Radioactive decay • Complex geometries with thin (< μm) layers close to detectors • Physics and software quality for critical applications

  4. Requests • Geant4 electromagnetic working group wants to remove the original low energy extension, which they consider “obsolete”, from future Geant4 releases • Our requests: • Keep original low energy processes in future Geant4 releases • Since Geant4 electromagnetic working group does not want to maintain them, move EEDL/EPDL based physics processes to “pii package” Together with our collaborators, we will maintain – and improve – these processes along with PIXE.

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